Home / 2,828,274.63-4,242,433.47-806,516.82

Finding the Fourth Proportional to 2,828,274.63, 4,242,433.47 and 806,516.82

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Solution

The fourth proportional to 2,828,274.63, 4,242,433.47 and 806,516.82 is: 1,209,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,274.63 : 4,242,433.47 = 806,516.82 : x
  2. Step 2: Convert to fraction form
    2,828,274.63/4,242,433.47 = 806,516.82/x
  3. Step 3: Cross multiply
    2,828,274.63x = 4,242,433.47 × 806,516.82
  4. Step 4: Simplify right side
    2,828,274.63x = 3,421,593,951,285.97
  5. Step 5: Solve for x
    x = 3,421,593,951,285.97/2,828,274.63
  6. Step 6: Final answer
    x = 1,209,781.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.